/*------------------------------
  rep11ans.java
  解答例：三角形移動
 -------------------------------*/
import java.applet.*;
import java.awt.*;
/*	<applet code="rep11ans" width="400" height="400"></applet>	*/

public class rep11ans extends Applet {
	public void paint(Graphics g) {
		int i, n = 10;
		int red = 0, grn = 255, blu = 0;
		int x[] = {50, 90, 10};
		int y[] = {10, 70, 70};
		Color col;
		
		for (i = 0; i < n; i++) {
			col = new Color(red,grn,blu);
			g.setColor(col);
			g.drawPolygon(x, y, 3);
			x[0] += 15+4*i; x[1] += 20+2*i; x[2] += 20;
			y[0] += 5+i; y[1] += 10+2*i; y[2] += 2*i;
			red += 255/n; grn -= 255/n; blu += 0;
		}
		
		for (i = 0; i < n; i++) {
			col = new Color(red,grn,blu);
			g.setColor(col);
			g.drawPolygon(x, y, 3);
			x[0] -= 20; x[1] -= 20+4*i; x[2] -= 5+2*i;
			y[0] += 15+3*i; y[1] += 10+i; y[2] += 10;
			red += 0; grn += 255/n; blu += 0;
		}
	}
}